Costar Group, Inc.
CSGP- Exchange
- Nasdaq
- Industry
- Services-Business Services, NEC
- SEC CIK
- 0001057352
In the last 90 days, Costar Group, Inc. insiders filed 1 open-market purchase and 2 sales; 760 institutions reported holding it in 13F filings for Q2 2026, worth $11.7B in total; superinvestors Akre Capital Management and Weitz Investment Management hold it.
13F holders, Q3 2025
Institutional positions in Costar Group, Inc. as of Sep 30, 2025. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works
- Institutional holders
- 905
- +46 vs. Q2 2025
- Shares held
- 413.6M
- −5.67M (−1.4%) vs. Q2 2025
- Total value
- $34.9B
- +$1.15B (+3.4%) vs. Q2 2025
- New holders
- 107
- 364 more added
- Sold out
- 61
- 314 more reduced
14 institutions that held it in Q2 2025 haven't filed for Q3 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q2 2025: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting CSGP on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 760 | $11.7B |
| Q1 2026 | 797 | $16.8B |
| Q4 2025 | 847 | $28.4B |
| Q3 2025 | 905 | $34.9B |
| Q2 2025 | 873 | $34.2B |
| Q1 2025 | 858 | $33.9B |
| Q4 2024 | 805 | $28.9B |
| Q3 2024 | 773 | $30.0B |
| Q2 2024 | 767 | $29.3B |
| Q1 2024 | 767 | $38.4B |
| Q4 2023 | 737 | $34.4B |
| Q3 2023 | 690 | $30.1B |
| Q2 2023 | 714 | $35.5B |
| Q1 2023 | 692 | $26.7B |
| Q4 2022 | 704 | $30.4B |
| Q3 2022 | 634 | $28.0B |
| Q2 2022 | 591 | $23.0B |
| Q1 2022 | 589 | $25.2B |
| Q4 2021 | 633 | $29.6B |
| Q3 2021 | 594 | $32.3B |
| Q2 2021 | 607 | $31.1B |
| Q1 2021 | 593 | $31.2B |
Institutions, Q3 2025
Shares, value and share of portfolio for each institution holding Costar Group, Inc.; share changes are against Q2 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Highland Capital Management Fund Advisors, L.P. | 4,715 | $397.8K | 0.04% | +4,715 | New |
| HighPoint Advisor Group LLC | 4,680 | $394.8K | 0.02% | −1,578−25.2% | Reduced |
| Flputnam Investment Management Co | 4,659 | $393.1K | 0.01% | +422+10.0% | Added |
| Integrated Wealth Concepts LLC | 4,616 | $389.5K | 0.00% | −1,555−25.2% | Reduced |
| Apollon Wealth Management, LLC | 4,608 | $388.8K | 0.01% | +276+6.4% | Added |
| One Wealth Capital Management, LLC | 4,590 | $387.3K | 0.17% | −200−4.2% | Reduced |
| Chatham Capital Group, Inc. | 4,556 | $384.4K | 0.06% | 00.0% | Unchanged |
| SG Americas Securities, LLC | 4,515 | $381.0K | 0.00% | −12,901−74.1% | Reduced |
| Pallas Capital Advisors LLC | 4,484 | $378.3K | 0.01% | +60+1.4% | Added |
| Parkside Financial Bank & Trust | 4,466 | $376.8K | 0.03% | +35+0.8% | Added |
| Kathleen S. Wright Associates Inc. | 4,700 | $375.1K | 0.14% | −500−9.6% | Reduced |
| Brown Miller Wealth Management, LLC | 4,444 | $374.9K | 0.11% | 00.0% | Unchanged |
| Plato Investment Management Ltd | 4,469 | $374.2K | 0.03% | 00.0% | Unchanged |
| Citizens Financial Group Inc | 4,424 | $373.3K | 0.01% | −872−16.5% | Reduced |
| Financial Consulate, Inc | 4,412 | $372.2K | 0.05% | +4,412 | New |
| FineMark National Bank & Trust | 4,350 | $367.0K | 0.01% | 00.0% | Unchanged |
| Checchi Capital Advisers, LLC | 4,335 | $365.7K | 0.03% | −349−7.5% | Reduced |
| Wallace Advisory Group, LLC | 4,537 | $364.8K | 0.29% | −664−12.8% | Reduced |
| Wetherby Asset Management Inc | 4,318 | $364.3K | 0.01% | +262+6.5% | Added |
| NBC Securities, Inc. | 4,274 | $360.6K | 0.03% | −3−0.1% | Reduced |
| Apriem Advisors | 4,227 | $356.6K | 0.03% | +19+0.5% | Added |
| CCG Wealth Management, LLC | 4,183 | $352.9K | 0.17% | +12+0.3% | Added |
| Diversify Wealth Management, LLC | 5,077 | $352.2K | 0.02% | −686−11.9% | Reduced |
| Cigna Investments Inc | 4,135 | $349.0K | 0.05% | 00.0% | Unchanged |
| Dynasty Wealth Management, LLC | 4,094 | $345.4K | 0.00% | −13,092−76.2% | Reduced |
| Citizens Business Bank | 4,053 | $342.0K | 0.06% | +4,053 | New |
| Buckingham Strategic Partners | 4,957 | $339.7K | 0.00% | +4,957 | New |
| Vontobel Holding Ltd. | 3,999 | $337.4K | 0.00% | −13−0.3% | Reduced |
| Main Street Financial Solutions, LLC | 3,974 | $335.3K | 0.02% | −404−9.2% | Reduced |
| Rakuten Investment Management, Inc. | 10,056 | $332.4K | 0.00% | +10,056 | New |
| Net Worth Advisory Group | 3,938 | $332.2K | 0.10% | +3,938 | New |
| Bridgefront Capital, LLC | 3,937 | $332.2K | 0.10% | +3,937 | New |
| Bayforest Capital Ltd | 3,835 | $323.6K | 0.15% | +3,835 | New |
| We Are One Seven, LLC | 3,811 | $321.5K | 0.01% | +805+26.8% | Added |
| Allworth Financial LP | 3,745 | $316.0K | 0.00% | +228+6.5% | Added |
| Independent Advisor Alliance | 3,716 | $313.5K | 0.01% | −116−3.0% | Reduced |
| Skopos Labs, Inc. | 3,848 | $310.8K | 0.04% | +94+2.5% | Added |
| Savant Capital, LLC | 3,662 | $309.0K | 0.00% | +25+0.7% | Added |
| PUREfi Wealth, LLC | 3,647 | $307.7K | 0.24% | −12−0.3% | Reduced |
| Octavia Wealth Advisors, LLC | 3,626 | $305.9K | 0.03% | −3−0.1% | Reduced |
| Golden State Wealth Management, LLC | 3,626 | $305.9K | 0.03% | +166+4.8% | Added |
| Sagespring Wealth Partners, LLC | 3,623 | $305.7K | 0.01% | +460+14.5% | Added |
| Pensionmark Financial Group, LLC | 3,519 | $296.9K | 0.01% | +108+3.2% | Added |
| HBK Sorce Advisory LLC | 3,887 | $292.3K | 0.01% | −235−5.7% | Reduced |
| ORG Wealth Partners, LLC | 3,443 | $290.5K | 0.06% | +295+9.4% | Added |
| Landscape Capital Management, L.L.C. | 3,426 | $289.1K | 0.02% | +3,426 | New |
| HT Partners LLC | 3,343 | $282.0K | 0.09% | 00.0% | Unchanged |
| Salvus Wealth Management, LLC | 3,319 | $280.0K | 0.16% | +312+10.4% | Added |
| Aaron Wealth Advisors | 3,313 | $279.5K | 0.02% | +3,313 | New |
| Fifth Third Wealth Advisors LLC | 3,304 | $278.8K | 0.01% | +121+3.8% | Added |
| Advisory Services Network, LLC | 3,296 | $278.1K | 0.00% | −39−1.2% | Reduced |
| Index Fund Advisors, Inc. | 3,283 | $277.0K | 0.01% | +5+0.2% | Added |
| Diversify Advisory Services, LLC | 3,972 | $275.6K | 0.01% | −160−3.9% | Reduced |
| Needham Investment Management LLC | 3,250 | $274.2K | 0.02% | +3,250 | New |
| TownSquare Capital, LLC | 3,246 | $273.9K | 0.04% | −10,088−75.7% | Reduced |
| Keel Point, LLC | 3,208 | $270.7K | 0.02% | −622−16.2% | Reduced |
| Cooper Financial Group | 3,171 | $267.5K | 0.03% | −158−4.7% | Reduced |
| Boothbay Fund Management, LLC | 3,166 | $267.1K | 0.01% | +378+13.6% | Added |
| Assetmark, Inc | 3,154 | $266.1K | 0.00% | +489+18.3% | Added |
| Ridgewood Investments LLC | 3,145 | $265.3K | 0.11% | −157−4.8% | Reduced |
| CX Institutional | 3,098 | $261.0K | 0.01% | −36−1.1% | Reduced |
| Premier Path Wealth Partners, LLC | 3,056 | $257.8K | 0.03% | +244+8.7% | Added |
| TD Private Client Wealth LLC | 3,039 | $256.4K | 0.01% | +1,646+118.2% | Added |
| Jones Financial Companies LLLP | 3,039 | $255.4K | 0.00% | +389+14.7% | Added |
| Twinbeech Capital LP | 3,023 | $255.1K | 0.01% | +3,023 | New |
| Bridges Investment Management Inc | 3,000 | $253.1K | 0.00% | 00.0% | Unchanged |
| Proficio Capital Partners LLC | 2,968 | $250.4K | 0.02% | −1,561−34.5% | Reduced |
| IHT Wealth Management, LLC | 2,965 | $250.2K | 0.01% | −338−10.2% | Reduced |
| Meeder Advisory Services, Inc. | 2,964 | $250.1K | 0.01% | −775−20.7% | Reduced |
| Riverview Capital Advisers, LLC | 2,963 | $250.0K | 0.07% | +2,963 | New |
| Greenleaf Trust | 2,957 | $249.5K | 0.00% | +335+12.8% | Added |
| Crestwood Advisors Group LLC | 2,931 | $247.3K | 0.00% | +386+15.2% | Added |
| Contravisory Investment Management, Inc. | 2,931 | $247.3K | 0.05% | +2,931 | New |
| Kingswood Wealth Advisors, LLC | 2,918 | $246.2K | 0.01% | −82−2.7% | Reduced |
| Commerzbank Aktiengesellschaft | 2,912 | $246.0K | 0.01% | +2,912 | New |
| Wedmont Private Capital | 3,044 | $245.3K | 0.01% | +238+8.5% | Added |
| Texas Capital Bank Wealth Management Services Inc | 2,856 | $241.0K | 0.02% | −1,148−28.7% | Reduced |
| Manuka Financial, LLC | 2,824 | $238.3K | 0.15% | +2,824 | New |
| Castleview Partners, LLC | 2,821 | $238.0K | 0.13% | +24+0.9% | Added |
| KCM Investment Advisors LLC | 2,720 | $229.5K | 0.01% | 00.0% | Unchanged |
| Evergreen Capital Management LLC | 2,710 | $228.6K | 0.01% | +2,710 | New |
| Versant Capital Management, Inc | 2,708 | $228.5K | 0.03% | +1,608+146.2% | Added |
| Patton Fund Management, Inc. | 2,659 | $224.3K | 0.04% | 00.0% | Unchanged |
| Panagora Asset Management Inc | 2,650 | $223.6K | 0.00% | 00.0% | Unchanged |
| Mather Group, LLC. | 2,648 | $223.4K | 0.00% | +78+3.0% | Added |
| Valeo Financial Advisors, LLC | 2,607 | $220.0K | 0.01% | −108−4.0% | Reduced |
| OneAscent Financial Services LLC | 2,581 | $217.8K | 0.01% | −256−9.0% | Reduced |
| Independent Financial Group, LLC | 2,567 | $216.6K | 0.01% | +2,567 | New |
| SageView Advisory Group, LLC | 2,559 | $215.9K | 0.01% | −38−1.5% | Reduced |
| Paul Damon & Associates, Inc. | 2,505 | $211.3K | 0.10% | +2,505 | New |
| Flossbach Von Storch AG | 2,500 | $210.9K | 0.00% | 00.0% | Unchanged |
| Quadrant Capital Group LLC | 2,500 | $210.9K | 0.01% | +2,500 | New |
| Archetype Wealth Partners | 2,467 | $208.0K | 0.03% | +2,467 | New |
| Perfromance Wealth Partners, LLC | 2,405 | $202.9K | 0.01% | −454−15.9% | Reduced |
| Adell Harriman & Carpenter Inc | 2,405 | $202.9K | 0.01% | +2,405 | New |
| Fukoku Mutual Life Insurance Co | 2,398 | $202.3K | 0.01% | +2,398 | New |
| ArrowMark Colorado Holdings LLC | 2,375 | $200.4K | 0.00% | −766−24.4% | Reduced |
| Rainey & Randall Investment Management Inc. | 2,372 | $200.1K | 0.03% | +2,372 | New |
| Global Retirement Partners, LLC | 2,227 | $187.9K | 0.00% | +364+19.5% | Added |
| Harel Insurance Investments & Financial Services Ltd. | 2,163 | $182.0K | 0.00% | +600+38.4% | Added |